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2026-06-04 - 22:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Jun 04, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10992215999,6sleep30-21swapper/307:09:533
108192115102,9sleep20-21swapper/207:07:392
108632112102,7sleep00-21swapper/007:08:130
10766210999,7sleep10-21swapper/107:06:581
41622610,0sleep30-21swapper/308:55:173
236402590,0sleep30-21swapper/312:35:143
323952580,0sleep30-21swapper/308:20:203
119792570,1sleep111981-21tune2fs10:00:131
138772530,0sleep20-21swapper/212:25:162
176262520,0sleep20-21swapper/212:00:172
1118399310,30cyclictest0-21swapper/211:44:562
11179992926,3cyclictest0-21swapper/110:54:371
11183992819,8cyclictest749-21snmpd08:26:462
11183992715,2cyclictest0-21swapper/212:15:112
1118399270,26cyclictest0-21swapper/208:36:122
1118399267,8cyclictest0-21swapper/207:15:002
11183992618,1cyclictest749-21snmpd07:35:152
11183992617,1cyclictest749-21snmpd07:49:402
1118399261,13cyclictest0-21swapper/209:40:232
1118399260,2cyclictest0-21swapper/208:11:092
1118399260,25cyclictest0-21swapper/210:48:502
11183992518,1cyclictest749-21snmpd11:30:142
11183992516,1cyclictest749-21snmpd10:53:232
11183992516,1cyclictest749-21snmpd09:20:062
11183992515,2cyclictest749-21snmpd08:02:402
11183992514,2cyclictest749-21snmpd07:50:122
1118399250,24cyclictest0-21swapper/207:55:032
1118399250,19cyclictest0-21swapper/208:05:122
1118399242,8cyclictest0-21swapper/210:39:442
11183992422,2cyclictest0-21swapper/210:08:412
11183992417,1cyclictest749-21snmpd08:45:152
11183992416,1cyclictest749-21snmpd09:26:342
11183992415,8cyclictest0-21swapper/211:19:372
11183992415,3cyclictest0-21swapper/211:48:132
11183992414,3cyclictest0-21swapper/209:36:122
1118399240,2cyclictest0-21swapper/207:34:152
1118399240,23cyclictest0-21swapper/210:02:072
1118399238,13cyclictest0-21swapper/207:40:122
1118399233,14cyclictest0-21swapper/209:30:242
11183992317,1cyclictest749-21snmpd11:00:202
1118399231,21cyclictest0-21swapper/207:24:182
11175992319,2cyclictest749-21snmpd10:25:260
11183992219,3cyclictest0-21swapper/212:13:442
1118399221,20cyclictest0-21swapper/212:31:122
1118399220,21cyclictest0-21swapper/208:17:272
11183992118,2cyclictest749-21snmpd10:22:172
11183992117,3cyclictest0-21swapper/211:24:262
11183992115,6cyclictest0-21swapper/211:05:252
11183992114,7cyclictest0-21swapper/207:26:032
1118399210,20cyclictest0-21swapper/210:11:502
11175992119,1cyclictest749-21snmpd10:54:160
11175992118,2cyclictest749-21snmpd11:19:520
11175992118,2cyclictest749-21snmpd07:52:060
11175992118,2cyclictest28028-21sadc10:14:590
11175992117,2cyclictest749-21snmpd09:08:420
11183992018,1cyclictest9136-21cat10:55:152
11183992018,1cyclictest749-21snmpd12:36:242
11183992018,1cyclictest749-21snmpd09:47:452
11183992018,1cyclictest749-21snmpd09:10:152
11183992018,1cyclictest749-21snmpd08:55:152
11183992018,1cyclictest749-21snmpd08:41:312
1118399201,3cyclictest0-21swapper/211:26:052
1118399201,18cyclictest0-21swapper/208:21:032
1118399201,13cyclictest0-21swapper/210:30:272
1118399200,2cyclictest0-21swapper/211:38:532
1118399200,2cyclictest0-21swapper/210:26:132
1118399200,1cyclictest0-21swapper/210:19:192
1118399200,19cyclictest0-21swapper/207:10:142
11179992016,3cyclictest0-21swapper/107:52:061
11179992015,4cyclictest0-21swapper/108:16:541
1117999200,2cyclictest0-21swapper/107:57:551
11175992018,1cyclictest749-21snmpd12:38:150
11175992018,1cyclictest749-21snmpd12:27:000
11175992018,1cyclictest749-21snmpd12:10:080
11175992018,1cyclictest749-21snmpd12:06:470
11175992018,1cyclictest749-21snmpd12:01:050
11175992018,1cyclictest749-21snmpd10:55:140
11175992018,1cyclictest749-21snmpd10:32:050
11175992018,1cyclictest749-21snmpd09:12:030
11175992018,1cyclictest749-21snmpd08:59:390
11175992018,1cyclictest749-21snmpd08:30:030
11175992018,1cyclictest749-21snmpd08:29:030
11175992018,1cyclictest749-21snmpd08:21:580
11175992018,1cyclictest749-21snmpd08:15:450
11175992018,1cyclictest749-21snmpd08:11:540
11175992018,1cyclictest749-21snmpd07:43:450
11175992017,3cyclictest0-21swapper/007:38:450
11175992017,2cyclictest749-21snmpd11:06:230
11175992017,2cyclictest749-21snmpd09:25:160
11175992016,2cyclictest749-21snmpd08:00:210
1118399195,8cyclictest0-21swapper/209:15:152
1118399195,8cyclictest0-21swapper/209:15:142
1118399193,8cyclictest0-21swapper/210:44:132
11183991916,2cyclictest749-21snmpd08:34:392
11183991915,3cyclictest0-21swapper/212:20:122
1118399190,18cyclictest0-21swapper/209:50:122
11179991916,3cyclictest0-21swapper/112:01:051
11179991916,2cyclictest0-21swapper/112:38:151
11179991916,2cyclictest0-21swapper/111:19:531
11179991916,2cyclictest0-21swapper/110:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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